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T-450A Tension Brake
Unit of Measure

Specifications

Supplier Name

N/A Nexen

Manufacturer Part Number

N/A 819006

Model Number

N/A T-450A

Approximate Brake Facing Life

N/A 633 hp·hr

Bore Size

N/A 0.5000 to 1.0000 in0.5625 in0.6875 in0.8125 in0.8750 in0.9375 in1 in1/2 in3/4 in5/8 in

Bore Style

N/A JA Bushing (0.5000 to 1.0000 in.)

Bore Type

N/A Quick-Detach (QD) Bushed

Brake Air Chamber Volume when New

N/A 0.629 in³

Brake Air Chamber Volume when Worn Out

N/A 1.422 in³

Brake Facing Edge Color Code

N/A Blue

Brake Facing Effective Area

N/A 11.9 in²

Brake Facing Type

N/A Ultra Low Coefficient

Brake Heat Sink Capacity

N/A 48792 ft·lb

Brake Peak Thermal Input Rate

N/A 11.00 hp

Brake Response Factor

N/A 0.090

Brake Series

N/A T-450A

Bushing Type

N/A JA Type

Bushing Range

N/A 0.5000 to 1.0000 in

Control Accessories

N/A 854000 (Single Stage Control Panel) 939101 (Control Filter) 940001 (Regulator) 944901 (3 Way Valve)

Controllers

N/A 912123 912145 964260 964354 964356 964520 964522 964531 964535

Engagement

N/A Air Engaged

Release

N/A Spring Release

Facing Kit

N/A 818971

Finish

N/A Black Oxide

Function

N/A Tensioning

Guards

N/A 817700

Maximum Speed

N/A 1800 rpm

Maximum Brake Continuous Thermal Dissipation

N/A 1.73 hp

Maximum Dynamic Torque Capacity

N/A 150 in·lb

Maximum Pressure

N/A 80 psi

Minimum Engagement Pressure

N/A 3 psi

Mounting Configuration

N/A Shaft Mounted

Open or Enclosed Design

N/A Open

Overall Diameter

N/A 5.94 in

Overall Length

N/A 2.5100 in

Port Size

N/A 1/4 in

Port Type

N/A National Pipe Thread (NPT)

Rating

N/A European Conformity (CE) Restriction of Hazardous Substances (RoHS)

Rebuild Kits

N/A 818903

Shaft Inertia

N/A 4.83 lb/in²

Torque Pin Bracket

N/A 819900

Weight

N/A 8.5 lb

Features & Benefits

Features & Benefits

N/A
  • High thermal output and torque ratings of the advanced series make these units ideal for demanding tension operations
  • Full range of sizes to meet all unique specification requirements
  • Advanced series offers both straight bore hubs or tapered bores for Quick-Detach (QD) bushing mounting
  • Models are available with standard, low coefficient (Loco) or ultra Loco friction facings to meet all torque requirements

General Information

General Information

N/A Low Cost Air Cooled Brake, for narrow range tension control applications. JA type Quick-Detach (QD) bushing sold separately.